9890057 has 2 divisors, whose sum is σ = 9890058. Its totient is φ = 9890056.

The previous prime is 9890053. The next prime is 9890077. The reversal of 9890057 is 7500989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5683456 + 4206601 = 2384^2 + 2051^2 .

It is a cyclic number.

It is not a de Polignac number, because 9890057 - 2² = 9890053 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9890057.

It is not a weakly prime, because it can be changed into another prime (9890053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4945028 + 4945029.

It is an arithmetic number, because the mean of its divisors is an integer number (4945029).

Almost surely, 2^9890057 is an apocalyptic number.

It is an amenable number.

9890057 is a deficient number, since it is larger than the sum of its proper divisors (1).

9890057 is an equidigital number, since it uses as much as digits as its factorization.

9890057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 9890057 is about 3144.8461011630. The cubic root of 9890057 is about 214.6510076387.

The spelling of 9890057 in words is "nine million, eight hundred ninety thousand, fifty-seven".